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Finding the Fourth Proportional to 14,353.99, 21,532.23 and 3,965.74

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Solution

The fourth proportional to 14,353.99, 21,532.23 and 3,965.74 is: 5,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.99 : 21,532.23 = 3,965.74 : x
  2. Step 2: Convert to fraction form
    14,353.99/21,532.23 = 3,965.74/x
  3. Step 3: Cross multiply
    14,353.99x = 21,532.23 × 3,965.74
  4. Step 4: Simplify right side
    14,353.99x = 85,391,225.80
  5. Step 5: Solve for x
    x = 85,391,225.80/14,353.99
  6. Step 6: Final answer
    x = 5,948.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.